<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>多个背景</title>


    <style>
        .bg {
            height: 200px;
            width: 200px;
            display: inline-block;
            margin: 10px;
            border: 1px solid red;
            background: url('https://www.runoob.com/try/demo_source/smiley.gif') no-repeat,
            url('https://www.runoob.com/images/tryitimg.gif') no-repeat center/50px;
        }


    </style>

</head>

<body>
    <div class="bg" ></div>


</body>

</html>